154 results about "Compression fitting" patented technology

A column for liquid chromatography includes a chamber adapted to receive packing medium. Openings in the chamber allow fluid to pass through it. Porous plugs in the chamber retain the packing medium. A fitting has a contact surface that engages a landing area on the chamber surrounding one of the openings. Engagement of the contact surface with the landing area forms a metal to metal seal between the fitting and the chamber. A method of sealing a column for liquid chromatography is also disclosed. The method involves a chamber containing packing medium, the chamber having an opening surrounded by a landing area. The method includes providing a compression fitting having a contact surface and compressing the contact surface against the landing area to form a fluid tight seal between the compression fitting and the chamber.

A compression fitting for rigid or semi-rigid pipes comprising an internal element 11 onto which the pipe 12 is fitted and into which at least one circumferential groove 13 is machined and an external sleeve 20 usually cylindrical is positioned around the pipe and intended to be deformed by radial compression to push the wall of the pipe inside said groove. The external wall of the sleeve 20 bears a circumferential protruding bead 22 in line with its area which is found in line with the groove of the internal element with interposition of the wall of the pipe, so that the compression of the sleeve by action of a cylindrical pressing wall 30 acts on the bead to deform the sleeve with the purpose of pushing the wall of the pipe inside the groove of the internal element.

A compression fitting that obtains a rain tight fit on electrical conduit. The compression fitting includes a tubular body having a threaded forward end for connection to a panel and a threaded rearward end for connection to a conduit. A standard lock nut and seal ring, or, alternately, a snap ring and a seal ring are used on the forward end for obtaining a rain tight fit of the forward end with a panel or junction box. A compression nut, compression ring, and two seal rings are used on the rearward end to secure a conduit thereto in a rain tight fit. A first seal ring is constructed of plastic and includes a V-shaped outer periphery. A second seal ring is typically constructed of a deformable metal such as aluminum and includes a V-shaped inner periphery. The rearward end of the tubular body includes a seat shaped to accept the second seal ring. Tightening the compression ring onto the tubular member forces the compression ring to compress the first and second seal rings against the seat in the rearward end of the tubular body. The adjacent surfaces of the V-shaped outer periphery of the first seal ring, the V-shaped inner periphery of the second seal ring, and the surface of the seat compress flush against each other and form a rain tight seal. The compression fitting of the present invention creates a secure rain tight seal that overcomes the shortcomings of prior art compression fittings for conduit, which typically feature a split ring arrangement for sealing the conduit against the fitting.

A multi-zone monitoring system allowing simultaneous measurement of separate zones of multi-zone wellbore formations comprising a multi-component umbilical containing both electrical lines and a hydraulic fluid lines, an inflatable isolation packer that can traverse through the wellbore and be inflated with hydraulic fluid to seal off a portion of the wellbore wherein the inflatable isolation packer is connected to a hydraulic line of the multi-component umbilical, wherein the inflatable isolation packer further comprises: one or more cable bypass feed throughs for the umbilical's electric and hydraulic fluid lines, wherein the hydraulic line is attached to the inflatable isolation packer with compression fittings. A method of monitoring geologic formations in a wellbore comprising attaching a plurality of inflatable isolation packers at predetermined distance to an umbilical containing a hydraulic line for inflating each packer, monitoring each connection of the hydraulic line to each inflatable isolation packer, attaching monitoring equipment to the umbilical at predetermined distances to the umbilical, lowering the equipment and inflatable isolation packers down a wellbore using the umbilical, and monitoring the equipment and each hydraulic line connection at a surface.

Methods are provided for installation of a rain diversion system including formation of a deflector with a machine placed above a forming machine dedicated to formation of a trough. As trough is run from a first machine, end caps are installed where appropriate, outlet sites are punched and outlets installed for joinder with downspouts, miters are cut and a cavity structure of the hanger is brought into place to mate a containment lip of the hanger with the containment shelf of the trough. Corresponding deflector is run from a second machine and the deflector is placed on the trough as deflector attachment cavities of the hanger are used to retain deflector. In alternative methods, one cavity retains the deflector 40 for conveyance to the installation location on the structure. In either case, the entire assembly may then be transported to a location on a lower level such as ground, for example, corresponding to the eventual installation location on the structure. The process is repeated until all assemblies of trough, hangers and deflector have been processed. Installers are then employed on ladders or other riser to position each length of assembled trough, hangers, and deflector into place against the structure where the assembly is fastened into place in at least two locations. This is simplified by the disclosed feature that allows compression fitting of the deflector into the appropriate cavities of the hanger.

A hunting arrow for tracking target animals is disclosed and described. The arrow can include a chamber having an angled surface and a compression fitting surface. The arrow can also include a transmitter housing having an angled surface and a compression fitting to securely house the transmitter within the chamber during flight. The transmitter may include removable parts, to enable reuse of the transmitter, including but not limited to: compression fittings, barbed hooks, an attachment assembly and a battery cover. The transmitter is ejected from the chamber when the arrow strikes a target animal and the one or more barbed hooks stops the forward momentum of the transmitter with sufficient force to overcome the friction between the compression fitting and the compression fitting surface within the chamber, thereby ejecting and embedding the transmitter in the hide of the animal. Alternatively, or in addition thereto, the hunting arrow can include a plunger system, retaining member/retaining dimple system and/or an adhesive strip system to secure the transmitter to the arrow during flight.

The present invention describes a roll for use in glass manufacture, especially non-dusting TFT glass. The roll may include a hollow fused silica cylinder. End caps are mechanically fixed to the roll. Pulling flats are fixed in place by inner and outer end plates. A compression fitting secures at least the outer end plate to the roll. The roll may be reinforced with an internal metal rod that is secured to the shaft by a plurality of supports. The supports accommodate differences in thermal expansion.